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gc_score
2007 Jul 03
1
MASS library rob.cov ellipse
Hi,
I used to get a really useful graph when I ran the following command
using the MASS library:
> cov.rob(cbind(dekeyser$AGE,dekeyser$GJTSCORE),cor=T)
Besides the regular output, a graph appeared that had the classical
correlation and the robust correlation, and two ellipses, one
surrounding the data that would be used in the classical correlation and
the other surrounding the data in the robust correlation.
I've searched through t...